Solitary Hyperdense Parenchymal Lesion Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Cerebral Contusion Hypertensive Intracranial Hemorrhage Cerebral Amyloid Disease Glioblastoma Multiforme Metastasis, Parenchymal Thrombosis, Dural Sinus Thrombosis, Cortical Venous…
Multiple Hyperdense Parenchymal Lesions Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Cerebral Contusion Diffuse Axonal Injury (DAI) Hypertensive Intracranial Hemorrhage Cerebral Amyloid Disease Metastases, Parenchymal Cavernous Malformations Less Common…
Solitary Parenchymal Calcification Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Neurocysticercosis Tuberculosis Cavernous Malformation Oligodendroglioma Ganglioglioma Diffuse Astrocytoma, Low Grade Pilocytic Astrocytoma Less Common Arteriovenous Malformation Ependymoma Parasites, Miscellaneous…
Hyperdense CSF Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common Subarachnoid Hemorrhage (SAH), Traumatic Aneurysmal Subarachnoid Hemorrhage Streak Artifact Diffuse Cerebral Edema (Mimic) Brain Death (Mimic) Less Common Contrast Material Chronic…
T1 Hyperintense CSF Bronwyn E. Hamilton, MD DIFFERENTIAL DIAGNOSIS Common MR Artifacts, Flow-Related MR Artifacts, Magnetic Susceptibility Subarachnoid Hemorrhage Intraventricular Hemorrhage Meningitis Less Common Ventriculitis Rare but Important Dermoid Cyst…
Interhemispheric Fissure Cysts Anne G. Osborn, MD, FACR DIFFERENTIAL DIAGNOSIS Common Pineal Cyst Less Common Callosal Dysgenesis Neurocysticercosis Arachnoid Cyst Rare but Important Holoprosencephaly (HPE) Medial Atrial Diverticulum Atretic Cephalocele…
Foramen Magnum Mass Karen L. Salzman, MD DIFFERENTIAL DIAGNOSIS Common Acquired Tonsillar Herniation Dolichoectasia (Vertebrobasilar) Chiari 1 Chiari 2 Diffuse Astrocytoma, Low Grade Less Common Meningioma Schwannoma Ependymoma Metastases, Intracranial,…
Prepontine Cistern Mass Gregory L. Katzman, MD, MBA DIFFERENTIAL DIAGNOSIS Common CSF Flow Artifact Dolichoectasia (Vertebrobasilar) Fusiform Aneurysm, ASVD Meningioma Metastases, Skull and Meningeal Less Common Epidermoid Cyst Chiari 2…
Ring-Enhancing Lesion, Solitary Yoshimi Anzai, MD, MPH Judy Tan, MD DIFFERENTIAL DIAGNOSIS Common Metastases, Parenchymal Glioblastoma Multiforme Abscess Intracerebral Hematoma (Subacute) Cerebral Infarction, Subacute Radiation Necrosis Less Common Tumefactive Demyelinating…
CSF-like Extra-Axial Mass Yoshimi Anzai, MD, MPH Judy Tan, MD DIFFERENTIAL DIAGNOSIS Common Arachnoid Cyst Neurocysticercosis Less Common Pineal Cyst Schwannoma (Cystic) Epidermoid Cyst Rare but Important Neurenteric Cyst Leptomeningeal…
